Srinivasa Rao Vagirala

Work History

Capgemini Japan K.K

08.2020 - Current

Proficient in gathering design and feature requirements from Japanese customers, negotiating with the development team, and finalizing designs based on 4G/5G protocols and specifications.
Hands-on experience in 5GSA design, implementation, and troubleshooting, addressing network-level issues as per Japanese customer requirements.
Prepared ODD, LLD, HLD, global parameter documentation, and executed performance optimization.
Led the creation of end-to-end test plans, coordinated with development teams for SGSA data and IMS(VoNR), and executed test cases for 5G Core, IMS/VoLTE, and vEPC using CNFs and VNFs.
Proficient in SGSA, EPC, IMS, N26 handover call flows, and architecture protocols and interfaces.
Served as a pre-sale consultant, actively engaging customers, coordinating countermeasures, and maintaining strong internal and customer relationships for core network solutions.
Experienced in virtualization, Docker, containers, Kubernetes, orchestration, OpenStack, Robin cloud-native platform, and cloud-native technologies.
Led multi-domain teams and engaged with worldwide customers as an End-to-End technical architect.
Successfully led teams to achieve project timelines and adhered to customer requirements for telco solutions.
Expertise in network elements like AUSF+UDM, AMF, NRF, SMF, UPF, NSSF, HSS, PGW, SMSC, STP, HLR, SCP, PCRF.

Overture Rede Private Limited

03.2019 - 07.2020

Good knowledge experience Network and Server virtualization, Hypervisors (KVM, VMWare), Open Stack, Docker, kubernetes, terraform
Installation, Integration and Commissioning of EPC/vEPC / IMS /SDM Products (MME/vMME, S-GW, P-GW & CSM, vGW-C vGW-U) 4G/3G CS-IMS & PS-EPC Core performance analysis & reporting, performance improvement task planning and execution management.

Savantis Solutions India Pvt Ltd

04.2016 - 03.2019

Working as a SME for JIO project which includes Planning, Service, and delivery of Netscout products such as G10 Probe, GeoBlade, IRIS, ISA,PA,IPI,Datacast, NG1 Application at Reliance JIO for LTE, VoLTE(IMS) network
Installation commissioning software up gradation of Netscout product G10, TD140, GeoBlade, ISNG, NG1, NBA
Successfully completed/sign off the assigned Implementation projects such as IRIS, ISA, PA application with ISNG probes
Successfully Implemented of Dual IPI in sing IRIS application without service effect
IOT (Inter Operator Testing) of various LTE, IMS vendor Nodes like Samsung, Nokia.

Avion system Pvt Ltd

04.2015 - 04.2016

Installation, Integration and Commissioning of EPC/vEPC Products (MME/vMME, S-GW, P-GW & CSM, vGW-C vGW-U, MANO and eMBMS
Software installation, Configuration, upgrades and Expansion of EPC/vEPC nodes
Troubleshooting and Solving call connectivity and routing analysis issues including Data & VoLTE etc
Handling end to end post execution configuration audits to ensure no service outage in the network due to change activities.

Reliance Communications Ltd

05.2013 - 09.2012

Having good expose on Huawei ( 9810 & 9811 )and CISCO CGSN- ASR5000,(SGSN, GGSN)
Taking and analyze trace for home as well as roaming Customer complaint resolution
Daily Health Checkup of SGSN, GGSN and other packet Core Nodes
Providing Second Level Support to Fault Management (FM) Team to rectify the faults.

Telecom one Teleservices Pvt. ltd

09.2009 - 07.2011

Preventive Maintenance of the BTS Sites include, clearing the Alarms, restoring the sites from site downs and increasing the RNA & Preparing the PM reports every month
Data Configuration of BTS (MBTS, CBTS & I3) at OMC-R end and Alarm configuring at OMC-R for BTS.